Roo.js

diff --git a/Roo.js b/Roo.js
index 070c992..a7c7a8b 100644 (file)
--- a/Roo.js
+++ b/Roo.js
@@ -61,7 +61,15 @@ Roo.apply = function(o, c, defaults){
         isMac = (ua.indexOf("macintosh") != -1 || ua.indexOf("mac os x") != -1),
         isLinux = (ua.indexOf("linux") != -1),
         isSecure = window.location.href.toLowerCase().indexOf("https") === 0,
-        isTouch =  'ontouchstart' in window || window.DocumentTouch && document instanceof DocumentTouch;
+        isTouch =  (function() {
+            try {  
+                document.createEvent("TouchEvent");  
+                return true;  
+            } catch (e) {  
+                return false;  
+            } 
+            
+        })();
     // remove css image flicker
        if(isIE && !isIE7){
         try{